@inproceedings{Alania:2016Vf, author = "Alania, Michael", title = "{Experimental and Theoretical study of the long period }", doi = "10.22323/1.236.0148", booktitle = "Proceedings of The 34th International Cosmic Ray Conference {\textemdash} PoS(ICRC2015)", year = 2016, volume = "236", pages = "148" }